Create a three-dimensional digital globe step-by-step

Directory:

1. Introduction to Digital Earth

2. Required knowledge and data 3, three-dimensional spherical coordinate system 4, the creation of the simplest Earth 5, the creation of the Earth Browsing Controller 6, the creation of terrain imagery based on Quadtree 7, the creation and destruction of terrain imagery 8, the optimization of terrain image scheduling 9, based on spherical and planar creation scheduling method 10, Optimize terrain image effects 11, overlay raster vector 12, increase realism, add atmosphere and weather effects 13, increase model scheduling and creation 14, model data organization 15, network download thread pool 16, virtual file system 17, real vector rendering 20, water surface effect 18, massive forest and tree realization 19, Road model creation  21, interface Encapsulation (C #,. ActiveX) 22, browser plug-in package (Ie,firefox,chrome,saferi) 23, local client sample    terrain Image cutting tool development 1, Terrain Diagram Tool 2, Image cut tool 3, raster vector diagram tool     Scene integration tool development   UI interface and framework development   function Module 1, Terrain image editing Module 2, model Edit Module 3, tree Edit Module 4, water surface Edit Module 5, ground model Edit Module 6, Particle effect Edit Module 7, scene animation edit Module 8, Underground Pipeline Creation Module 8, Max,sketchup,maya data export and data Conversion tool Development    Service Module 1, simple attribute query system based on Lucense 2, buffer analysis based on arcserver, spatial query analysis, shortest path and other services (can also use Nip's existing services) 3, based on the real volume of arcsde,oracle spatial,postsql and other spatial database publishing services    Global-based Applications 1, urban planning Applications 2, scenic display 3, power planning show 4, Oil 5, Ocean 6, military 7, traffic display planning 8, public Internet    System features: 1, the kernel is based on C + + design, support DirectX and OpenGL driver, cross-platform, cross-browser support, can support the linux,windows well, Mac and other operating system platform       can also support the 32-bit and 64-bit operating system versions under each platform.      supports all current browsers, Ie,firefox, Chrome, Safari's mainstream operating system platforms will support mobile platforms in the future: mobile development platforms such as Iphone,andorid 2, Massive scene support, support the global level of image topographic library scheduling and smooth display browsing. 3. Support super-Large scale model display. ExcellentShow the model display effect, support multilayer texture diffusemap/specularmap/normalmap/emessivemaph/envirementmap fusion effect. 4, more accurate analysis of Rizhao, and support a variety of shadow effects, including the current latest shadow technology PSSM3. 5, support bone animation, vertex animation, node animation and other animation technology, can effectively improve the scene of the true degree 6, support animation texture, including multi-picture set Imagesets animation, also including video animation 7, support a variety of water surface effect, City River realistic simulation (reflection, refraction water flow), Lake water Simulation and shoreline effects, as well as Earth-based ocean effect simulation 8, support large-scale realistic forest effect display, can set wind direction, wind size, simulation trees and grassland wind swinging effect 8, support various types of data display, support a variety of icon annotation, text annotation, a variety of vector lines (dashed , solid line, stick ground) display, a variety of vector surface display;    support a large number of vector data publishing and browsing, support overlay images. and provide user annotation of the convenient editing function. 9, support a variety of data types, KML (KMZ), 3ds,collada,vrml,obj,.x,.shp,.dxf,.tab,.mif,.jpg,.png,.dds,.gif,.avi,.ogg,.mp4 and other models, vectors, pictures , audio and video data.

Step-by-step creation of a three-dimensional digital Earth